package java02;

import java.util.Scanner;
enum Grade{A,B,C,D,E};
public class Java0206 {

	public static void main(String[] args) {
		Scanner in=new Scanner(System.in);
		while(in.hasNext()){
			int score=in.nextInt();
			switch (getGrade(score)) {
			case A:
				System.out.println("Excellent");
				printGradeInfo(Grade.A);
				break;
			case B:
				System.out.println("Good");
				printGradeInfo(Grade.B);
				break;
			case C:
				System.out.println("Average");
				printGradeInfo(Grade.C);
				break;
			case D:
				System.out.println("Fair");
				printGradeInfo(Grade.D);
				break;
			case E:
				System.out.println("Poor");
				printGradeInfo(Grade.E);
				break;
			default:
				break;
			}
		}
	}
	public static void printGradeInfo(Grade grade){
	       System.out.println("class name="+Grade.class);
	       System.out.println("grade value="+grade);
	}
	private static Grade getGrade(int score){
		if(score>=90&&score<=100)return Grade.A;
		else if(score>=80&&score<90)return Grade.B;
		else if(score>=70&&score<80)return Grade.C;
		else if(score>=60&&score<=70)return Grade.D;
		else return Grade.E;
		
	}
}
